Compute the day length given the altitude and day of year.

Source: R/compute_EC.R

Compute the day length given the altitude and day of year.

daylength(lat, day_of_year)

Arguments

day_of_year

numeric Day of year
latitude

numeric Latitude

Value

numeric Number of hours of daytime.

References

A model comparison for daylength as a function of latitude and day of year. Ecological Modelling, 80(1), 87-95. Forsythe, W. C., Rykiel Jr ,E. J., Stahl, R. S., Wu, H. I., & Schoolfield, R. M. (1995).

Author

Cathy C. Westhues cathy.jubin@uni-goettingen.de